/* ===========================
   RESET & BASE
   =========================== */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

:root {
  --bg:         #0a0a0f;
  --bg-card:    #111118;
  --bg-card-2:  #16161f;
  --border:     rgba(255,255,255,0.06);
  --border-h:   rgba(255,255,255,0.14);
  --accent:     #7c5cfc;
  --accent-2:   #a78bfa;
  --accent-glow:rgba(124,92,252,0.35);
  --text:       #e8e8f0;
  --text-muted: #7878a0;
  --text-dim:   #4a4a6a;
  --radius:     12px;
  --nav-h:      64px;
  --transition: 0.3s cubic-bezier(0.4,0,0.2,1);
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: var(--nav-h);
}

body {
  font-family: 'Segoe UI', system-ui, -apple-system, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.7;
  overflow-x: hidden;
  cursor: none;
}

a { color: inherit; text-decoration: none; }
ul { list-style: none; }

.container {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 24px;
}

/* ===========================
   CUSTOM CURSOR
   =========================== */
.cursor {
  position: fixed;
  width: 10px; height: 10px;
  background: var(--accent);
  border-radius: 50%;
  pointer-events: none;
  z-index: 9999;
  transform: translate(-50%,-50%);
  transition: width .15s, height .15s, background .15s;
  mix-blend-mode: screen;
}

.cursor-trail {
  position: fixed;
  width: 32px; height: 32px;
  border: 1.5px solid var(--accent);
  border-radius: 50%;
  pointer-events: none;
  z-index: 9998;
  transform: translate(-50%,-50%);
  transition: transform .12s ease, width .2s, height .2s, opacity .2s;
  opacity: 0.5;
}

body:has(a:hover) .cursor,
body:has(button:hover) .cursor {
  width: 18px; height: 18px;
}

/* ===========================
   NAV
   =========================== */
#nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  height: var(--nav-h);
  background: transparent;
  transition: background var(--transition), backdrop-filter var(--transition), box-shadow var(--transition);
}

#nav.scrolled {
  background: rgba(10,10,15,0.85);
  backdrop-filter: blur(16px);
  box-shadow: 0 1px 0 var(--border);
}

.nav-inner {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 24px;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.nav-logo {
  font-size: 1.1rem;
  font-weight: 700;
  letter-spacing: .05em;
  color: var(--accent-2);
  cursor: none;
}

.nav-links {
  display: flex;
  gap: 32px;
}

.nav-links a {
  font-size: .875rem;
  color: var(--text-muted);
  letter-spacing: .04em;
  transition: color var(--transition);
  cursor: none;
}

.nav-links a:hover { color: var(--text); }

.menu-btn {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: none;
  padding: 4px;
}

.menu-btn span {
  display: block;
  width: 22px; height: 2px;
  background: var(--text);
  border-radius: 2px;
  transition: var(--transition);
}

.menu-btn.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.menu-btn.open span:nth-child(2) { opacity: 0; }
.menu-btn.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

.mobile-menu {
  display: none;
  flex-direction: column;
  background: rgba(10,10,15,0.97);
  backdrop-filter: blur(20px);
  padding: 24px;
  gap: 20px;
}

.mobile-menu a {
  font-size: 1.1rem;
  color: var(--text-muted);
  cursor: none;
}

.mobile-menu.open { display: flex; }

/* ===========================
   HERO
   =========================== */
#hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}

.hero-bg {
  position: absolute;
  inset: 0;
  z-index: 0;
}

#particles { width: 100%; height: 100%; }

.hero-content {
  position: relative;
  z-index: 1;
  text-align: center;
  padding: 0 24px;
}

.hero-greeting {
  font-size: .9rem;
  color: var(--text-muted);
  letter-spacing: .12em;
  text-transform: uppercase;
  margin-bottom: 16px;
  animation: fadeDown .8s ease both;
}

.hero-name {
  display: flex;
  flex-direction: column;
  font-size: clamp(2.8rem, 7vw, 5.5rem);
  font-weight: 800;
  line-height: 1.05;
  letter-spacing: -.02em;
  margin-bottom: 24px;
}

.name-line {
  display: block;
  animation: fadeUp .8s ease both;
}

.name-line:nth-child(1) { animation-delay: .1s; }
.name-line:nth-child(2) { animation-delay: .2s; }
.name-line:nth-child(3) { animation-delay: .3s; }

.name-line.accent {
  background: linear-gradient(135deg, var(--accent) 0%, var(--accent-2) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-role {
  font-size: clamp(1rem, 2vw, 1.25rem);
  color: var(--text-muted);
  margin-bottom: 40px;
  height: 2rem;
  animation: fadeUp .8s .4s ease both;
}

.caret {
  animation: blink 1s step-end infinite;
  color: var(--accent);
}

@keyframes blink { 0%,100%{opacity:1} 50%{opacity:0} }

.hero-cta {
  display: flex;
  gap: 16px;
  justify-content: center;
  flex-wrap: wrap;
  animation: fadeUp .8s .5s ease both;
}

.hero-scroll {
  position: absolute;
  bottom: 32px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  color: var(--text-dim);
  font-size: .7rem;
  letter-spacing: .12em;
  text-transform: uppercase;
  animation: fadeUp 1s .8s ease both;
}

.scroll-indicator {
  width: 22px; height: 36px;
  border: 1.5px solid var(--text-dim);
  border-radius: 12px;
  display: flex;
  justify-content: center;
  padding: 5px 0;
}

.scroll-dot {
  width: 4px; height: 8px;
  background: var(--text-dim);
  border-radius: 2px;
  animation: scrollDot 1.8s ease infinite;
}

@keyframes scrollDot {
  0%   { transform: translateY(0); opacity: 1; }
  80%  { transform: translateY(12px); opacity: 0; }
  100% { transform: translateY(0); opacity: 0; }
}

/* ===========================
   BUTTONS
   =========================== */
.btn {
  display: inline-block;
  padding: 12px 28px;
  border-radius: 8px;
  font-size: .9rem;
  font-weight: 600;
  letter-spacing: .04em;
  transition: var(--transition);
  cursor: none;
  border: 2px solid transparent;
}

.btn-primary {
  background: var(--accent);
  color: #fff;
  box-shadow: 0 0 0 0 var(--accent-glow);
}

.btn-primary:hover {
  background: var(--accent-2);
  box-shadow: 0 0 24px var(--accent-glow);
  transform: translateY(-2px);
}

.btn-outline {
  border-color: var(--border-h);
  color: var(--text);
}

.btn-outline:hover {
  border-color: var(--accent);
  color: var(--accent-2);
  transform: translateY(-2px);
}

.btn-full { width: 100%; text-align: center; }

.btn-lattes {
  border: 2px solid #1a6fb5;
  color: #5aaee8;
  background: rgba(26,111,181,0.08);
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

.btn-lattes:hover {
  background: rgba(26,111,181,0.2);
  border-color: #5aaee8;
  color: #fff;
  transform: translateY(-2px);
  box-shadow: 0 0 24px rgba(26,111,181,0.35);
}

.lattes-icon {
  font-size: .7rem;
  font-weight: 900;
  letter-spacing: .06em;
  padding: 2px 6px;
  border-radius: 4px;
  background: #1a6fb5;
  color: #fff;
}

/* ===========================
   SECTIONS SHARED
   =========================== */
section {
  padding: 120px 0;
}

.section-tag {
  font-size: .75rem;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 12px;
  font-weight: 600;
}

section h2 {
  font-size: clamp(1.8rem, 4vw, 2.6rem);
  font-weight: 800;
  letter-spacing: -.02em;
  margin-bottom: 56px;
  line-height: 1.1;
}

/* ===========================
   ABOUT
   =========================== */
#about { background: var(--bg-card); }

.about-grid {
  display: grid;
  grid-template-columns: 260px 1fr;
  gap: 72px;
  align-items: center;
}

.avatar-wrapper {
  position: relative;
  width: 200px; height: 200px;
  margin: 0 auto;
}

.avatar-glow {
  position: absolute;
  inset: -12px;
  border-radius: 50%;
  background: radial-gradient(circle, var(--accent-glow) 0%, transparent 70%);
  animation: pulse 3s ease infinite;
}

@keyframes pulse {
  0%,100%{opacity:.6; transform:scale(1);}
  50%{opacity:1; transform:scale(1.05);}
}

.avatar-photo {
  width: 100%; height: 100%;
  border-radius: 50%;
  object-fit: cover;
  object-position: center top;
  position: relative;
  z-index: 1;
  display: block;
  border: 3px solid rgba(124,92,252,0.4);
}

.about-text p {
  color: var(--text-muted);
  margin-bottom: 20px;
  font-size: 1.05rem;
}

.about-stats {
  display: flex;
  gap: 40px;
  margin-top: 40px;
}

.stat {
  display: flex;
  flex-direction: column;
}

.stat-number {
  font-size: 2.5rem;
  font-weight: 800;
  color: var(--accent-2);
  line-height: 1;
}

.stat-number::after { content: '+'; }

.stat-label {
  font-size: .8rem;
  color: var(--text-dim);
  letter-spacing: .06em;
  text-transform: uppercase;
  margin-top: 4px;
}

/* ===========================
   SKILLS
   =========================== */
.skills-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 20px;
}

.skill-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 32px 28px;
  transition: border-color var(--transition), transform var(--transition), box-shadow var(--transition);
  opacity: 0;
  transform: translateY(24px);
}

.skill-card.visible {
  opacity: 1;
  transform: translateY(0);
}

.skill-card:hover {
  border-color: var(--accent);
  transform: translateY(-6px);
  box-shadow: 0 12px 40px rgba(124,92,252,0.15);
}

.skill-icon {
  font-size: 2rem;
  margin-bottom: 16px;
  line-height: 1;
}

.skill-card h3 {
  font-size: 1.15rem;
  font-weight: 700;
  margin-bottom: 12px;
}

.skill-card p {
  font-size: .9rem;
  color: var(--text-muted);
  margin-bottom: 20px;
  line-height: 1.6;
}

.skill-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.skill-tags span,
.project-tech span {
  font-size: .72rem;
  padding: 4px 10px;
  border-radius: 4px;
  background: rgba(124,92,252,0.12);
  color: var(--accent-2);
  letter-spacing: .04em;
  font-weight: 500;
}

/* ===========================
   PROJECTS
   =========================== */
#projects { background: var(--bg-card); }

.projects-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
}

.project-card {
  background: var(--bg-card-2);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 36px 32px;
  position: relative;
  overflow: hidden;
  transition: border-color var(--transition), transform var(--transition), box-shadow var(--transition);
  opacity: 0;
  transform: translateY(24px);
}

.project-card.visible {
  opacity: 1;
  transform: translateY(0);
}

.project-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--accent), var(--accent-2));
  opacity: 0;
  transition: opacity var(--transition);
}

.project-card:hover {
  border-color: var(--border-h);
  transform: translateY(-6px);
  box-shadow: 0 16px 48px rgba(0,0,0,0.4);
}

.project-card:hover::before { opacity: 1; }

.project-card.featured {
  grid-column: 1 / -1;
}

.project-number {
  font-size: .7rem;
  color: var(--text-dim);
  letter-spacing: .16em;
  font-weight: 700;
  margin-bottom: 16px;
}

.project-card h3 {
  font-size: 1.25rem;
  font-weight: 700;
  margin-bottom: 12px;
}

.project-card p {
  color: var(--text-muted);
  font-size: .9rem;
  line-height: 1.65;
  margin-bottom: 20px;
}

.project-tech {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 24px;
}

.project-links {
  display: flex;
  gap: 20px;
  align-items: center;
}

.project-link {
  font-size: .875rem;
  font-weight: 600;
  color: var(--accent-2);
  transition: color var(--transition);
  cursor: none;
}

.project-link:hover { color: var(--text); }

.project-link-ghost {
  color: var(--text-dim);
}

.project-link-ghost:hover { color: var(--text-muted); }

/* ===========================
   SOCIAL SECTION
   =========================== */
#social { background: var(--bg-card); }

.social-cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 24px;
  max-width: 700px;
}

.social-card {
  position: relative;
  display: flex;
  align-items: center;
  gap: 24px;
  padding: 32px 28px;
  border-radius: var(--radius);
  border: 1px solid var(--border);
  overflow: hidden;
  transition: transform var(--transition), box-shadow var(--transition), border-color var(--transition);
  cursor: none;
}

.social-card-bg {
  position: absolute;
  inset: 0;
  opacity: 0;
  transition: opacity var(--transition);
  z-index: 0;
}

.social-card-instagram .social-card-bg {
  background: linear-gradient(135deg, #833ab4 0%, #fd1d1d 50%, #fcb045 100%);
}

.social-card-linkedin .social-card-bg {
  background: linear-gradient(135deg, #0077b5 0%, #00a0dc 100%);
}

.social-card:hover {
  transform: translateY(-6px);
  border-color: transparent;
}

.social-card:hover .social-card-bg { opacity: 1; }

.social-card-icon {
  position: relative;
  z-index: 1;
  flex-shrink: 0;
  width: 56px; height: 56px;
  border-radius: 14px;
  background: rgba(255,255,255,0.08);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background var(--transition);
}

.social-card:hover .social-card-icon {
  background: rgba(255,255,255,0.18);
}

.social-card-icon svg {
  width: 28px; height: 28px;
  color: var(--text-muted);
  transition: color var(--transition);
}

.social-card:hover .social-card-icon svg { color: #fff; }

.social-card-info {
  position: relative;
  z-index: 1;
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.social-card-network {
  font-size: .72rem;
  letter-spacing: .1em;
  text-transform: uppercase;
  color: var(--text-dim);
  font-weight: 600;
  transition: color var(--transition);
}

.social-card:hover .social-card-network { color: rgba(255,255,255,0.7); }

.social-card-handle {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--text);
  transition: color var(--transition);
}

.social-card:hover .social-card-handle { color: #fff; }

.social-card-cta {
  font-size: .8rem;
  color: var(--text-dim);
  margin-top: 2px;
  transition: color var(--transition);
}

.social-card:hover .social-card-cta { color: rgba(255,255,255,0.8); }

/* ===========================
   CONTACT
   =========================== */
.contact-wrapper {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 72px;
  align-items: start;
}

.contact-intro h2 {
  margin-bottom: 16px;
}

.contact-intro p {
  color: var(--text-muted);
  margin-bottom: 40px;
  font-size: 1.05rem;
}

.contact-social {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.social-link {
  display: flex;
  align-items: center;
  gap: 12px;
  color: var(--text-muted);
  font-size: .95rem;
  transition: color var(--transition), transform var(--transition);
  cursor: none;
}

.social-link:hover {
  color: var(--text);
  transform: translateX(4px);
}

.social-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 36px; height: 36px;
  border: 1px solid var(--border);
  border-radius: 8px;
  font-size: 1rem;
  transition: border-color var(--transition);
}

.social-link:hover .social-icon {
  border-color: var(--accent);
}

.social-link-lattes {
  color: #5aaee8;
  font-weight: 600;
}

.social-link-lattes:hover {
  color: #fff;
}

.social-icon-lattes {
  font-size: .65rem;
  font-weight: 900;
  letter-spacing: .04em;
  background: #1a6fb5;
  color: #fff !important;
  border-color: #1a6fb5 !important;
}

/* ===========================
   FORM
   =========================== */
.contact-form {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.form-group label {
  font-size: .8rem;
  letter-spacing: .08em;
  text-transform: uppercase;
  color: var(--text-dim);
  font-weight: 600;
}

.form-group input,
.form-group textarea {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 14px 16px;
  color: var(--text);
  font-size: .95rem;
  font-family: inherit;
  transition: border-color var(--transition), box-shadow var(--transition);
  resize: vertical;
  outline: none;
}

.form-group input:focus,
.form-group textarea:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(124,92,252,0.15);
}

.form-group input.error,
.form-group textarea.error {
  border-color: #f87171;
}

.form-error {
  font-size: .78rem;
  color: #f87171;
  min-height: 1rem;
}

.form-success {
  padding: 14px 16px;
  background: rgba(124,92,252,0.12);
  border: 1px solid var(--accent);
  border-radius: 8px;
  color: var(--accent-2);
  font-size: .9rem;
  text-align: center;
}

.btn-loader {
  letter-spacing: .2em;
  animation: loaderAnim .8s linear infinite;
}

@keyframes loaderAnim {
  0%{opacity:.3} 50%{opacity:1} 100%{opacity:.3}
}

.hidden { display: none !important; }

/* ===========================
   FOOTER
   =========================== */
footer {
  padding: 32px 0;
  border-top: 1px solid var(--border);
}

.footer-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 8px;
}

.footer-name {
  font-size: .85rem;
  font-weight: 600;
  color: var(--text-muted);
}

.footer-copy {
  font-size: .8rem;
  color: var(--text-dim);
}

/* ===========================
   ANIMATIONS
   =========================== */
@keyframes fadeUp {
  from { opacity:0; transform:translateY(24px); }
  to   { opacity:1; transform:translateY(0); }
}

@keyframes fadeDown {
  from { opacity:0; transform:translateY(-16px); }
  to   { opacity:1; transform:translateY(0); }
}

/* ===========================
   RESPONSIVE
   =========================== */
@media (max-width: 768px) {
  .nav-links { display: none; }
  .menu-btn  { display: flex; }

  .about-grid {
    grid-template-columns: 1fr;
    gap: 40px;
    text-align: center;
  }

  .about-stats { justify-content: center; }

  .contact-wrapper {
    grid-template-columns: 1fr;
    gap: 48px;
  }

  .projects-grid {
    grid-template-columns: 1fr;
  }

  .project-card.featured { grid-column: auto; }

  section { padding: 80px 0; }

  body { cursor: auto; }
  .cursor, .cursor-trail { display: none; }
  a, button { cursor: pointer; }
}

@media (max-width: 480px) {
  .hero-cta { flex-direction: column; align-items: center; }
  .about-stats { gap: 24px; }
}